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Finding the Fourth Proportional to 602,953.70, 904,430.55 and 534,719.30

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Solution

The fourth proportional to 602,953.70, 904,430.55 and 534,719.30 is: 802,078.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,953.70 : 904,430.55 = 534,719.30 : x
  2. Step 2: Convert to fraction form
    602,953.70/904,430.55 = 534,719.30/x
  3. Step 3: Cross multiply
    602,953.70x = 904,430.55 × 534,719.30
  4. Step 4: Simplify right side
    602,953.70x = 483,616,470,594.62
  5. Step 5: Solve for x
    x = 483,616,470,594.62/602,953.70
  6. Step 6: Final answer
    x = 802,078.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.